Various type hint related improvements (#54971)

* Avoid some implicit generic Anys

* Fix hassio discovery view type hints

* Fix http view result type in assert message

homeassistant/components/actiontec/const.py

@@ -4,7 +4,9 @@ from __future__ import annotations
 import re
 from typing import Final
 
-LEASES_REGEX: Final[re.Pattern] = re.compile(
+# mypy: disallow-any-generics
+
+LEASES_REGEX: Final[re.Pattern[str]] = re.compile(
     r"(?P<ip>([0-9]{1,3}[\.]){3}[0-9]{1,3})"
     + r"\smac:\s(?P<mac>([0-9a-f]{2}[:-]){5}([0-9a-f]{2}))"
     + r"\svalid\sfor:\s(?P<timevalid>(-?\d+))"